aldre = [10, 70, 16, 25, 23, 18, 9]

def gammel_nok(alder, grense):
    if alder < grense:
        return False
    if alder == grense:
        print("Det var s? vidt!")
        return True
    return True

for alder in aldre:
    if gammel_nok(alder, 18):
        print("Velkommen inn!")
    else: 
        print("Du m? videre.")